Pot protests through the years

April 17, 2014

MICHAL CIZEK/AFP/Getty Images

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A Czech Republic youth sporting a mask and holding a water pipe shouts slogans during a march calling for the legalization of marijuana on May 5, 2012, in Prague. (Photo by MICHAL CIZEK/AFP/GettyImages)

MICHAL CIZEK/AFP/Getty Images

66of72

A Czech Republic youth sporting a mask and holding a water pipe shouts slogans during a march calling for the legalization of marijuana on May 5, 2012, in Prague. (Photo by MICHAL CIZEK/AFP/GettyImages)